Preserved structural and functional characteristics of common carotid artery in properly treated normoglycemic women with gestational diabetes mellitus

Vastagh, Ildikó and Horváth, T. and Garamvölgyi, Z. and Rosta, K. and Folyovich, A. and Rigó, J. Jr. and Kollai, M. and Bereczki, D. and Somogyi, A. (2011) Preserved structural and functional characteristics of common carotid artery in properly treated normoglycemic women with gestational diabetes mellitus. Acta Physiologica Hungarica, 98 (3). pp. 294-304. ISSN 0231-424X

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Abstract

Women with gestational diabetes mellitus (GDM) are at high risk of subsequently developing type 2 diabetes mellitus which is an important cardiovascular risk factor. We have evaluated whether preclinical morphological and functional arterial changes are present in GDM. Diameter, intima-media thickness (IMT), intima-media cross-section area (IMCSA) and elasticity features (compliance, distensibility coefficient, circumferential strain, stiffness index (SI) α and β, incremental elastic modulus) of the common carotid arteries (CCA) were studied in the 3rd trimester in 25 women with GDM, and 17 normal pregnant women matched for age and body mass index using an ultrasonographic vessel wall-movement tracking system and applanation tonometry. Mean IMT, IMCSA and SI α tended to be larger, whereas compliance was smaller in women with GDM but none of these differences were significant. Serum glucose (4.99±0.51 vs. 4.79±0.61 mmol/L, p=0.37) and HbA1c (5.33±0.27 vs. 5.36±0.47 mmol/L, p=0.85) proved normoglycemia in both groups. In conclusion, by the combination of methods we applied in this case control study, neither morphological nor functional characteristics of large elastic arteries differ significantly between well-treated normoglycemic women with GDM and non-diabetic pregnant women in the 3rd trimester.

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